/*
 * Copyright (c) 2006-2018, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2018-11-5      SummerGift   first version
 */

#ifndef __DRV_SPI_H_
#define __DRV_SPI_H_

#include <rtthread.h>
#include "rtdevice.h"
#include <rthw.h>
#include <drv_common.h>
#include "drv_dma.h"

rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name, uint32_t cs_gpiox, uint16_t cs_gpio_pin);

struct hw_spi_cs
{
    uint32_t gpio_periph;
    uint16_t GPIO_Pin;
};

struct spi_config
{
    uint32_t spi_periph;
    char *bus_name;
    
    struct dma_config *dma_rx, *dma_tx;
};

//struct stm32_spi_device
//{
//    rt_uint32_t pin;
//    char *bus_name;
//    char *device_name;
//};

#define SPI_USING_RX_DMA_FLAG   (1<<0)
#define SPI_USING_TX_DMA_FLAG   (1<<1)

/* spi dirver class */
struct spi_driver
{
    spi_parameter_struct init;
    struct spi_config *config;
    struct rt_spi_configuration *cfg;

//    struct
//    {
//        DMA_HandleTypeDef handle_rx;
//        DMA_HandleTypeDef handle_tx;
//    } dma;
    
    rt_uint8_t spi_dma_flag;
    struct rt_spi_bus spi_bus;
};

#endif /*__DRV_SPI_H_ */
